Static task
static1
Behavioral task
behavioral1
Sample
2024-05-20_a75afa64cb96e32e3410209205bb51a5_avoslocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-20_a75afa64cb96e32e3410209205bb51a5_avoslocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-20_a75afa64cb96e32e3410209205bb51a5_avoslocker
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Size
9.1MB
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MD5
a75afa64cb96e32e3410209205bb51a5
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SHA1
90d45f6329ef305d8ccbd8b90cc00022527222a5
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SHA256
9082206e64bb4ebb9efc59eeaca608de65d37d7c0dbbf17f9e58bc1e47c2dd97
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SHA512
45983c26a4951ea42e57bf88d991fca76d87f01474a0c611937a10d4c2499cb4195126f111b7462f743a00a711543d2072a6f6d737873fda11627930bd88ee0a
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SSDEEP
196608:1HXs7HJ5Jfe/Cls5inZD623BzFJUKTHSLtnCoXw:1wy/CMmzFJUBtnC
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-20_a75afa64cb96e32e3410209205bb51a5_avoslocker
Files
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2024-05-20_a75afa64cb96e32e3410209205bb51a5_avoslocker.exe windows:6 windows x86 arch:x86
5f0fd69d091e6fd8756f532b0aac057f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
dbghelp
SymInitialize
SymFromAddr
SymGetLineFromAddr64
shell32
CommandLineToArgvW
ShellExecuteA
ws2_32
gethostname
WSAStartup
WSACleanup
freeaddrinfo
getaddrinfo
accept
__WSAFDIsSet
ntohs
recv
WSAWaitForMultipleEvents
WSAResetEvent
WSAEventSelect
WSAEnumNetworkEvents
WSACreateEvent
WSACloseEvent
send
WSASetLastError
select
closesocket
WSARecvFrom
WSARecv
WSAIoctl
socket
shutdown
listen
getsockname
getpeername
ioctlsocket
connect
bind
WSASocketW
htons
WSAGetLastError
setsockopt
getsockopt
gethostbyname
advapi32
RegOpenKeyExW
RegQueryValueExW
CryptAcquireContextW
CryptReleaseContext
CryptGenRandom
RegCreateKeyExW
RegEnumKeyExW
RegSetValueExW
RegDeleteValueW
RegEnumValueW
RegEnumKeyW
CryptAcquireContextA
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptEncrypt
CryptImportKey
CryptDestroyKey
SystemFunction036
RegCloseKey
crypt32
CertCloseStore
CertEnumCertificatesInStore
CertFreeCertificateContext
CertGetCertificateContextProperty
PFXImportCertStore
PFXIsPFXBlob
CertOpenStore
CertFindCertificateInStore
CryptStringToBinaryA
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
kernel32
CompareStringW
IsProcessorFeaturePresent
GetModuleHandleExW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
InitializeSListHead
CreateTimerQueue
SignalObjectAndWait
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
SetThreadAffinityMask
GetThreadTimes
EncodePointer
VirtualProtect
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
RtlUnwind
ExitProcess
SystemTimeToTzSpecificLocalTime
ExitThread
GetCommandLineA
HeapFree
HeapAlloc
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetTimeZoneInformation
HeapReAlloc
GetProcessHeap
HeapSize
FreeLibraryAndExitThread
DecodePointer
GetCurrentThreadId
AreFileApisANSI
InitializeCriticalSectionAndSpinCount
SetConsoleTextAttribute
GetStdHandle
SetErrorMode
GetConsoleScreenBufferInfo
Sleep
GetFileSizeEx
GetFileType
ReadFile
WriteFile
GetLastError
MultiByteToWideChar
WideCharToMultiByte
GetACP
GetConsoleCP
GetConsoleMode
ReadConsoleW
WriteConsoleW
FlushConsoleInputBuffer
SetStdHandle
CreateFileW
GetFileAttributesW
GetFileSize
GetLongPathNameW
SetFileAttributesW
CloseHandle
DuplicateHandle
SetLastError
GetCurrentProcess
GetCurrentProcessId
GetSystemTimeAsFileTime
GetModuleFileNameW
LocalFree
FormatMessageA
MoveFileExW
GetOEMCP
GetCPInfoExW
IsDBCSLeadByteEx
GetVersionExW
GetProcessAffinityMask
CreatePipe
IsWow64Process
GetFileAttributesExW
LockFileEx
UnlockFileEx
GetFileTime
SetFileTime
FormatMessageW
GetConsoleOutputCP
GetVolumeInformationA
GetSystemDirectoryA
GetWindowsDirectoryA
GetCommandLineW
GetFullPathNameW
ExpandEnvironmentStringsW
CompareFileTime
DeleteFileW
FindClose
FindFirstFileW
GetFileInformationByHandle
GetShortPathNameW
RemoveDirectoryW
DeviceIoControl
GetModuleHandleW
GetProcAddress
CreateSymbolicLinkW
SetCurrentDirectoryW
GetCurrentDirectoryW
GetHandleInformation
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
ReleaseSemaphore
WaitForSingleObject
WaitForMultipleObjects
CreateSemaphoreW
TerminateProcess
GetExitCodeProcess
CreateThread
ResumeThread
CreateProcessW
OpenProcess
SetConsoleCtrlHandler
GenerateConsoleCtrlEvent
RtlCaptureStackBackTrace
QueryPerformanceCounter
QueryPerformanceFrequency
GlobalMemoryStatusEx
GetSystemInfo
FreeLibrary
LoadLibraryW
lstrcmpiW
WaitForSingleObjectEx
LoadLibraryExW
CreateDirectoryW
SetEndOfFile
SetFilePointer
LoadLibraryA
GetTempPathW
FindNextFileW
GetDiskFreeSpaceW
GetDriveTypeW
GetVolumePathNameW
GetOverlappedResult
CancelIo
ResetEvent
CreateEventW
VirtualAlloc
VirtualFree
IsValidCodePage
CreateFileA
GetFileAttributesA
PeekNamedPipe
SearchPathA
SetHandleInformation
CreateProcessA
DeleteCriticalSection
InitializeConditionVariable
WakeConditionVariable
SleepConditionVariableCS
GetTickCount
CreateIoCompletionPort
GetQueuedCompletionStatus
PostQueuedCompletionStatus
FlushFileBuffers
ConnectNamedPipe
SetNamedPipeHandleState
CreateNamedPipeW
CancelIoEx
CancelSynchronousIo
CreateEventA
SwitchToThread
GetCurrentThread
QueueUserWorkItem
CreateNamedPipeA
GetNamedPipeHandleStateA
RegisterWaitForSingleObject
UnregisterWait
GetFinalPathNameByHandleW
SetFilePointerEx
MapViewOfFile
FlushViewOfFile
UnmapViewOfFile
CreateFileMappingA
ReOpenFile
CopyFileW
CreateHardLinkW
GetFileInformationByHandleEx
SetEvent
GetNumberOfConsoleInputEvents
ReadConsoleInputW
SetConsoleCursorPosition
WriteConsoleInputW
GetEnvironmentVariableW
UnregisterWaitEx
CreateJobObjectW
AssignProcessToJobObject
SetInformationJobObject
SetProcessAffinityMask
LCMapStringW
DebugBreak
TryEnterCriticalSection
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetNativeSystemInfo
CreateSemaphoreA
ReadDirectoryChangesW
VerSetConditionMask
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
FileTimeToSystemTime
CreateToolhelp32Snapshot
Process32First
Process32Next
GetModuleHandleA
GetStartupInfoW
SleepEx
MoveFileExA
GetEnvironmentVariableA
VerifyVersionInfoW
RaiseException
FindFirstFileExW
user32
WaitForInputIdle
TranslateMessage
DispatchMessageA
GetSystemMetrics
CharPrevExA
GetMessageA
MapVirtualKeyW
ole32
CoCreateInstance
CoTaskMemFree
CoInitialize
CoInitializeEx
CoUninitialize
GetRunningObjectTable
CreateBindCtx
oleaut32
VariantClear
VariantInit
SysAllocString
SafeArrayDestroy
SysFreeString
Sections
.text Size: 7.6MB - Virtual size: 7.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 149KB - Virtual size: 2.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 296KB - Virtual size: 295KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ